#40B783#40B783

#40B783 is a light, vivid teal. Relative luminance 0.366; OKLCH L 69.9% C 0.132 H 160.9°. Best body text is #000000 at 8.32:1 contrast (WCAG AA passes).

Color values

HEX	#40B783
RGB	rgb(64, 183, 131)
HSL	hsl(154, 48%, 48%)
HSV	hsv(154, 65%, 72%)
CMYK	cmyk(65%, 0%, 28.4%, 28.2%)
CIE-LAB	lab(66.97, -45.41, 16.92)
CIE-LCH	lch(66.97, 48.46, 159.57°)
OKLab	oklab(69.94% -0.1243 0.0431)
OKLCH	oklch(69.94% 0.132 160.9)
XYZ	xyz(23.1423, 36.5932, 27.3119)
Luminance	0.3660 (WCAG relative)
Temperature	neutral
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40B783 #B74074

analogous

#40B748 #40B783 #40AFB7

triadic

#40B783 #8340B7 #B78340

tetradic

#40B783 #4840B7 #B74074 #AFB740

square

#40B783 #4840B7 #B74074 #AFB740

split-complementary

#40B783 #B740AF #B74840

monochromatic

#205C42 #308A63 #40B783 #69CBA0 #97DBBD

Accessibility & contrast

On white

2.52

#40B783 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.32

#40B783 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #40B783

8.32:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40B783	#FFFFFF	#000000	##000000
##40B783	1.00	2.52	8.32	8.32
#FFFFFF	2.52	1.00	21.00	21.00
#000000	8.32	21.00	1.00	1.00
##000000	8.32	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B5AA80

Deuteranopia (green-blind)

#A59E86

Tritanopia (blue-blind)

#00B6A9

Achromatopsia (no color)

#A3A3A3

Design tokens & code

CSS

--color: #40b783;
/* rgb */ color: rgb(64, 183, 131);
/* oklch */ color: oklch(69.9% 0.132 160.9);

Tailwind

colors: {
  custom: {
    50: '#82cda7',
    500: '#40b783',
    950: '#000000',
  },
}

SCSS

$custom: #40b783;
$custom-light: #82cda7;
$custom-dark: #000000;

JSON

{
  "hex": "#40b783",
  "rgb": {
    "r": 64,
    "g": 183,
    "b": 131
  },
  "hsl": {
    "h": 153.782,
    "s": 48.178,
    "l": 48.431
  },
  "oklch": {
    "l": 0.69941,
    "c": 0.13151,
    "h": 160.9
  },
  "luminance": 0.36596
}

Semantic roles & 50–950 ramp

primary

#40B783

secondary

#C68DA6

accent

#508BD8

background

#F8FCFA

surface

#F0F9F4

border

#CBD2CE

text

#0C130F

muted

#7D827F

Preview Lab

Preview with #40B783

Body copy rendered with the generated semantic roles for this colour.

Preview Lab → · Contrast checker → · Palette generator →